BT speaker 401
Power supply: lithium battery 800mA.h
Power: 5W
Speaker: φ45mm
Signal-to-noise ratio (SNR) SUR: ≥87dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Colors: white, pink, red wood grain
Impedance: 4Ω
Interfaces: USB interface, φ3.5 stereo input, TF
Function: button control, Bluetooth, FM, MP3, AUX
Product size: L118×D118×H65 mm
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BT speaker 511
Power supply: USB 5V
Power RMS: 5W + 3W x 2
Speaker: 3 inches + 2 inches × 2
Signal-to-Noise Ratio (SNR) SUR: ≥85dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Impedance: 4Ω
11 Interface: USB head φ3.5 stereo input
Features: Master volume control, bass knob, RGB lights, Bluetooth
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BT speaker 520
Power supply: USB 5V
Power RMS: 5W + 3W x 2
Speaker: 3 inches + 2 inches × 2
Signal-to-Noise Ratio (SNR) SUR: ≥85dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Impedance: 4Ω
11 Interface: USB head φ3.5 stereo input
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BT speaker 518
Box material: Plastic
Power supply method: Lithium battery
Waterproof grade: not waterproof
Built in battery capacity 2000mAh-4000mAh (inclusive)
Connection method: Bluetooth connection
Is there a built-in battery
Applicable scenarios: In car, desktop, outdoor, home, mobile and portable
Listing date 2024
Frequency response range 100HZ-20KHZ
Signal to noise ratio ≥ 70db
Number of speakers 2
Effective distance of 10 meters
Exterior dimensions 220 * 107 * 104
Colors: Black, Red, Blue, Military Green
Bluetooth version 5.3
Rated power 10
Rated voltage 5
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BT speaker 523
Power supply: USB 5V
Power RMS: 5W + 3W x 2
Speaker: 3 inches + 2 inches × 2
Signal-to-Noise Ratio (SNR) SUR: ≥85dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Impedance: 4Ω
11 Interface: USB head φ3.5 stereo input
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BT speaker 402
Power supply: lithium battery
Power RMS: 5W
Speaker: 2 inches
Signal-to-noise ratio (SNR) SUR: ≥87dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Color: Green, Green, Wood Grain
Impedance: 4Ω
Interface: USB head φ3.5 stereo input, TF
Function: button control, Bluetooth, FM, MP3, AUX
Product size: L102×D62.5×H73 mm
BT speaker 512
Box material ABS
Power supply method: Lithium battery
Waterproof grade: not waterproof
Built in battery capacity 2000mAh-4000mAh (inclusive)
Connection method: Bluetooth connection
Is there a built-in battery
Applicable scenarios include in car, desktop, fitness, outdoor, home, mobile and portable, karaoke, live streaming, square dancing, outdoor lawn
Listing date: Spring 2026
Frequency response range 100HZ-20KHZ
Signal to noise ratio ≥ 95dB
Number of speakers 2
Effective distance of 10M
Exterior dimensions 230 * 116 * 137
Colors: milky white, black, orange, blue
Bluetooth version 5.3
Rated power 30
Rated voltage 3.7
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Additional function card insertion
BT speaker 524
Power supply: USB 5V
Power RMS: 5W + 3W x 2
Speaker: 3 inches + 2 inches × 2
Signal-to-Noise Ratio (SNR) SUR: ≥85dB
Frequency response (FR): 20Hz-20KHz
Input sensitivity: 1000mV
Impedance: 4Ω
11 Interface: USB head φ3.5 stereo input
Features: Master volume control, bass knob, RGB lights, Bluetooth
Product dimensions: W100 × D120 × H135 mm, L65 × D63 × H80 mm